Mineral: Quartz
Locality: Puiva Mount, Saranpaul, Khanty-Mansi Okrug, Tyumen Oblast, Russia
Dimensions: Specimen size 13,5 cm

Description: While completely damage-free on the outside, the internal structure of some crystals is disrupted by congelifraction, typical for quartzes from that cold area in the northern Ural Mts.

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